@@ -71,8 +71,8 @@ apm_out(uint16_t port, uint8_t val, void *priv)
static uint8_t
apm_in(uint16_t port, void *priv)
{
apm_t *dev = (apm_t *) priv;
uint8_t ret = 0xff;
const apm_t *dev = (apm_t *) priv;
port &= 0x0001;
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